The investment seeks to track the investment results of the Bloomberg Barclays U.S. Convertible Cash Pay Bond > $250MM Index (the underlying index). The fund generally will invest at least 90% of its assets in the component securities of the underlying index and may invest up to 10% of its assets in certain futures, options and swap contracts, cash and cash equivalents, as well as in securities not included in the underlying index. The underlying index is a subset of the Bloomberg Barclays U.S. Convertibles: Cash Pay Bonds Index, which measures the performance of the U.S. dollar-denominated convertibles market.